1.3.3. The Scapula

Question 1

What is the Scapula commonly known as?

Answer 1

The Shoulder Blade

Question 2

What does the Scapula articulate with?

Answer 2

1. The Humerus 2. The Clavicle

Question 3

What is the name of the joint at which the Scapula connects with the Humerus?

Answer 3

Glenohumeral Joint

Question 4

What is the name of the joint at which the Scapula connect with the Clavicle?

Answer 4

Acromioclavicular Joint

Question 5

What does the Scapula connect, given its attachment to the Humerus and Clavicle?

Answer 5

The Upper Limb to the Trunk

Question 6

What is the Shape of the Scapula?

Answer 6

It is a Triangular, Flat Bone

Question 7

How many muscles are attached onto the Scapula?

Answer 7

17

Question 8

1. What is the Anterior Surface of the Scapula known as? 2. Why?

Answer 8

1. The Costal Surface 2. Because it is the side facing the Ribcage

Question 9

What is the name of the Concave depression over the Costal Surface of the Scapula?

Answer 9

The Subscapular Fossa

Question 10

Which Rotator Cuff Muscle originates from the Subscapular Fossa?

Answer 10

The Subscapularis Muscle

Question 11

Where does the Coracoid Process originate from?

Answer 11

The Supero-Lateral surface of the Costal Scapula

Question 12

What does the Coracoid Process look like?

Answer 12

A “Hook Projection”

Question 13

Where does the Coracoid Process lie?

Answer 13

Just underneath the Clavicle

Question 14

What muscles are attached to / originate from the Coracoid Process?

Answer 14

1. The Pectoralis Major (attaches to) 2. Coracobrachialis (originates from) 3. Biceps Brachii (originates from)

Question 15

What does the Lateral surface of the Scapula face?

Answer 15

The Humerus

Question 16

What is found on the Lateral surface of the Scapula?

Answer 16

1. The Glenohumeral Joint 2. Other muscle attachments

Question 17

What is the name of the shallow cavity which articulates with the Humerus (to form the Glenohumeral Joint)?

Answer 17

The Glenoid Fossa

Question 18

What is the name of the Tubercle directly above the Glenoid Fossa?

Answer 18

The Supraglenoid Tubercle

Question 19

What attaches to the Supraglenoid Tubercle?

Answer 19

The Long Head of the Biceps Brachii

Question 20

What is the name of the Tubercle directly below the Glenoid Fossa?

Answer 20

The Infraglenoid Tubercle

Question 21

What attaches to the Infraglenoid Tubercle?

Answer 21

The Long Head of the Triceps Brachii

Question 22

What are attached to the posterior surface of the Scapula?

Answer 22

The majority of the Rotator Cuff Muscles

Question 23

What is the name of the most prominent feature on the posterior surface of the Scapula?

Answer 23

The Spine

Question 24

How does the Spine of the Scapula run?

Answer 24

Transversely, dividing the Posterior Surface of the Scapula into 2

Question 25

What are the 2 divisions of the Posterior Surface of the Scapula (made by the Spine)?

Answer 25

1. Supraspinous Fossa (Above the Spine) 2. Infraspinous Fossa (Below the Spine)

Question 26

Which is larger of the Supraspinous Fossa, and the Infraspinous Fossa?

Answer 26

The Infraspinous Fossa

Question 27

What is the shape of the Supraspinous Fossa?

Answer 27

Convex

Question 28

What muscle originates from the Supraspinous Fossa?

Answer 28

The Supraspinatus Muscle

Question 29

What is the shape of the Infraspinatus Fossa?

Answer 29

Convex

Question 30

What muscle originates from the Infraspinous Fossa?

Answer 30

The Infraspinatus Muscle

Question 31

What is the name of the Projection off of the Spine?

Answer 31

The Acromion

Question 32

What does the Acromion: 1. Articulate with? 2. Arch over?

Answer 32

1. The Clavicle 2. The Glenohumeral Joint

Question 33

What type of joint is the Acromioclavicular Joint?

Answer 33

A Synovial Plane

Question 34

What type of Joint is the Sternoclavicular Joint?

Answer 34

A Synovial Saddle